both of these.

Find the proportion X of individuals who can be expected to respond to a certain mail-order solicitation if X has the density function below. 0, elsewhere The proportion of individuals who can be expected to respond to the solicitation is |:. (Type an integer or a simplied fraction.) A local drugstore owner knows that, on average, 36 people enter his store each hour. (a) Find the probability that in a given 5-minute period nobody enters the store. (b) Find the probability that in a given 5-minute period more than 4 people enter the store. (a) The probability that nobody enters the store in a given 5-minute period is D. (Round to four decimal places as needed.)